ThingsBoard v4.0.x Release Notes

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v4.0.2 (Jul 3, 2025)

Minor release with the following bug fixes and improvements:

What’s Changed

Core & Rule Engine
- #13362 EDQS improvements and bug fixes by @ViacheslavKlimov
- #13356 Fixed vulnerabilities by @smatvienko-tb
- #13414 Fixed retry mechanism in deduplication rule node by @ShvaykaD
- #13374 Fixed queue prefix not applied for some topics by @ViacheslavKlimov
- #13465 Fixed WS updates when updating older timeseries by @irynamatveieva
- #13577 Fixed vulnerabilities CVE-2025-49146 postgresql.driver and CVE-2025-27817 kafka client by @smatvienko-tb
UI
- #13292 Hint for dynamic settings and refactoring flow animation connectors SCADA symbols by @ArtemDzhereleiko
- #13290 Improved Nederlands (België) translation by @vvlladd28
- #13299 Improved dashboard autocomplete component by @vvlladd28
- #13344 Removed sticky option for argument table header row in calculate field dialog by @ArtemDzhereleiko
- #13253 Fixed an issue with broken pagination settings validation in table-widgets by @Terny22
- #13289 Fixed incorrect help links for calculated fields by @vvlladd28
- #13300 Fixed percent value for doughnut chart by @ArtemDzhereleiko
- #13321 Fixed rule node config style by @vvlladd28
- #13413 Fixed HP circuit breaker widget type FQN by @ArtemDzhereleiko
Transport
- #12981 MQTT client exponential reconnect strategy by @smatvienko-tb

Full Changelog: https://github.com/thingsboard/thingsboard/compare/v4.0.1…v4.0.2

v4.0.1 (Apr 22, 2025)

Minor release with the following bug fixes and improvements:

UI
- #13214 Fixed dynamic form array items configuration by @vvlladd28
- #13215 Fixed type checking for Date and Array in deepClone utils method by @vvlladd28
- #13218 Fixed early updatePosition call to prevent CDK overlay crash in matSuffix context by @maxunbearable
- #13226 Fixed mutation of default widget settings by @vvlladd28
- #13229 Fixed SCADA HP bottom right elbow connector pipe by @ArtemDzhereleiko
- #13217 Updated links for the rule nodes by @irynamatveieva

Full Changelog: https://github.com/thingsboard/thingsboard/compare/v4.0…v4.0.1

v4.0.0 (Apr 15, 2025)

Major release with the following features and bug fixes:

Major Improvements

Core & Rule Engine
- #12374 Calculated Fields by @irynamatveieva and @ViacheslavKlimov
- #12527 High-performance, in-memory Entity Data Query Service (EDQS) by @dashevchenko and @ViacheslavKlimov
- #12764 Save attributes strategies by @dskarzh
- #12413 Save time series strategies by @dskarzh
- #12652 Added entity alias and filters for Alarm Count Widget by @dashevchenko
UI
- #12875 New Map widgets by @ikulikov
- #12325 Implemented dynamic forms to remove JSON schema forms by @ikulikov
- #12274 SCADA: High-performance Oil and Gas symbols by @ArtemDzhereleiko
- #12512 SCADA: High-performance Energy System symbols by @ArtemDzhereleiko
- #12372 SCADA: Added traditional Meter SCADA symbols by @ArtemDzhereleiko
- #12848 Improved widget header button action by @ArtemDzhereleiko

Minor improvements

Core & Rule Engine
- #12297 Refactored telemetry service by @ViacheslavKlimov
- #12688 Added bundles to widget type info by @AndriiLandiak
- #12508 Added validation for resource usage across entities by @artem-barysh-dev
- #12588 Made more Kafka topics configurable by @AndriiLandiak
UI
- #12856 Implemented TBEL utils autocompletes and highlights by @maxunbearable
- #12467 Added action to provision device via mobile app by @maxunbearable
- #12933 Added link to help page for timewindow settings by @ChantsovaEkaterina
- #12711 Added property decimals for flow meter symbol by @ArtemDzhereleiko
- #12551 Added ‘Get dashboard state object’ action by @vvlladd28
- #12723 Added map action buttons by @vvlladd28
- #12540 Added radio button for multiple input widget by @ArtemDzhereleiko
- #12817 Added scale format for SCADA tank with units by @ArtemDzhereleiko
- #12790 Added settings to disable sorting in Table-widgets by @Terny22
- #12446 Added domain update request chaining by @maxunbearable
- #12913 Added help for retrieving the dashboard state ID in actions by @ArtemDzhereleiko
- #12908 Adjusted the help button color and position in the admin settings card by @ArtemDzhereleiko
- #12630 Improved behavior of changing start/end time in timewindow component by @ChantsovaEkaterina
- #12682 Improved description for SCADA symbols by @ArtemDzhereleiko
- #12928 Improved event handling hotkeys for Mac on the rule chain page by @ArtemDzhereleiko
- #12704 Improved Mobile center validators, removed redundant request by @deaflynx
- #12749 Improved pagination settings by @Terny22
- #12407 Migrated rule node config components from another repository by @vvlladd28
- #12627 Value stepper widget by @ArtemDzhereleiko
- #12781 Flow animation for HP SCADA connectors by @ArtemDzhereleiko
- #12509 Calculated Fields UI by @maxunbearable
- #12556 Ability to extract widget settings component from system module by @vvlladd28
Edge
- #9195 Added ability to create Rule Chain on Edge by @AndriiLandiak
- #12458 Alarm ack & alarm clear are sent by ‘Push to Edge’ node only by @AndriiLandiak
- #12448 Improved attribute update strategy by @AndriiLandiak
- #12365 Improved related edges cache cleanup by @AndriiLandiak

Bug fixes

Core & Rule Engine
- #12667 Fixed audit log save error when saving resource by @YevhenBondarenko
- #12763 Fixed entity version setting after creation by @ViacheslavKlimov
- #12751 Fixed extraction of queue name from msg in Input rule node by @YevhenBondarenko
- #12854 Fixed repository settings deletion ([Version control]) by @dashevchenko
- #12774 Fixed serializers removal from config ([Kafka node]) by @YevhenBondarenko
- #12736 Fixed StatsPersistTick scheduled future cancellation on actor destroy by @smatvienko-tb
- #13013 Fixed issue with adding threshold in line chart widget by @dashevchenko
UI
- #12666 Fixed apply changes button enabled by default in device profile transport configuration tab by @vvlladd28
- #12393 Fixed blank screen on SCADA editor page refresh in development mode by @vvlladd28
- #12623 Fixed blur effect issue in the Getting Started widget by @vvlladd28
- #12888 Fixed changed event behavior in the nav tree component by @ArtemDzhereleiko
- #12898 Fixed close button position in the Vertical Cylinder Tank widget by @ArtemDzhereleiko
- #12443 Fixed columns to display filter panel scroll when on dashboard edge by @maxunbearable
- #12633 Fixed CSV export for strings containing semicolon by @ChantsovaEkaterina
- #12917 Fixed default event handling and added hotkeys for Mac on the dashboard page by @ArtemDzhereleiko
- #12899 Fixed default shape for Horizontal Ellipse Tank widget by @ArtemDzhereleiko
- #12810 Fixed device profile extra scroll in LwM2M model by @deaflynx
- #12878 Fixed drag and drop for data keys chip by @ArtemDzhereleiko
- #12416 Fixed empty notifications on slow WS connection by @maxunbearable
- #12544 Fixed Entity data subscription command keys duplicates by @deaflynx
- #12634 Fixed entity details page link in entity autocomplete component by @vvlladd28
- #12892 Fixed get rule chains for entity list component by @ArtemDzhereleiko
- #12610 Fixed incorrect search by LwM2M models by @vvlladd28
- #12628 Fixed mdc notch unnecessary border by @maxunbearable
- #12470 Fixed OAuth client ID and secret removal with slow internet by @maxunbearable
- #12841 Fixed pop-up closing issue on dashboards by @kalutkaz
- #12471 Fixed tooltip scroll issue in JS Library alias error state by @maxunbearable
- #12802 Fixed transport messages max number hints by @maxunbearable
- #12599 Fixed unclear cached result in dashboard autocomplete after user switch by @vvlladd28
- #12909 Fixed validation for target entity type in the Create Relation node by @ArtemDzhereleiko
Transport
- #12725 Fixed CoAP server enable/disable property by @YevhenBondarenko
- #12378 Fixed concurrent device communication over DTLS (CoAP) by @nickAS21
- #12876 Fixed FOTA update via URL (LwM2M) by @nickAS21
- #12699 Fixed Observe for Object ID 3 (DEVICE) v1.1 (LwM2M) by @nickAS21
- #12734 Fixed request sending failure (SNMP) by @artem-barysh-dev
- #12398 Fixed dynamic update of device profile configuration (LwM2M) by @nickAS21

Breaking changes

#11937 ❌ Removed all queue types except Kafka
→ Impact: Systems previously using other queue types (e.g., RabbitMQ) must now migrate to Kafka. Ensure your infrastructure and configuration are updated accordingly.
#12859 🧹 Removed flex-layout library from the UI
→ Impact: Custom UI components or extensions relying on flex-layout will break. Replace with Angular’s native layout features or modern CSS techniques.

New Contributors

@str4ng3-r made their first contribution in #12568

Full Changelog: https://github.com/thingsboard/thingsboard/compare/v3.9.1…v4.0